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1490 Commits (2d321231dfec229064c288e0fbd56dd7b62c9d54)

Author SHA1 Message Date
Pedro Alvarez 86f4d469c6 Added some functions to save and restore AS keys for the case of failed handover in the USIM 4 years ago
Ismael Gomez b94d24ed98
Take into account CRS from neigbhour cells when measuring interference (#1757) 
* Take into account CRS from neigbhour cells when measuring interference

* fix std::isnormal compilation

* Fixed compilation of test

* Address comments

* Remove unused overrides
 4 years ago
Xavier Arteaga ede58319ae Vector: added conjugate complex float to short 4 years ago
Xavier Arteaga c20d4ff5cc Added ringbuffer zerocopy a timeout 4 years ago
Andre Puschmann 1afc137032
[REBASE] Make PHY non-blocking and fefactor HO procedure (#1753) 
* Make PHY non-blocking and fefactor HO procedure

* makes entire PHY non-blocking through command interface
* adds dedicated queue for cell_search/cell_select commands
* refactor HO procedure to run faster, in one stack cycle. Looks closer to the specs
* force ue to always apply SIB2 configuration during reestablishment
* Run update_measurements in all workers

Co-authored-by: Ismael Gomez <ismagom@gmail.com>
 4 years ago
faluco c1e680769c - Remove stray code left behind. 4 years ago
faluco f604506858 - Fixed missing initialization issues in nas that caused several jumps in liblte_mme to use uninitialized memory. 
- Fixed missing initialization in spgw that caused recvfrom to use an unitialized argument.
 4 years ago
faluco f0d651ae8e - Fixed a leak in the MME class not releasing the static byte buffer pool. 
- Now the pool gets destroyed on program exit using a unique_ptr.
- Removed manual cleanup() calls in all the code base to free the pool instance.
 4 years ago
Francisco Paisana dcf5a727f2 do not send RRC release in case the eNB receives a S1AP UEContextRelease command and the UE is doing handover. Handle GTPU end marker 4 years ago
faluco b892da0294 - Calculate the FFT of the PRACH on demand. 
- Fixed a PRACH test that was failing with ASAN.
 4 years ago
Xavier Arteaga 44c2412be2 SRSUE: silent PUSCH encoding error by dropping invalid grant 4 years ago
Andre Puschmann 6dc7841369 epoll_helper: move code to block OS signals into own helper function 
before epoll can handle signals, the calling thread needs to block
them. the blocking needs to happen before any other threads get
spawned so they inherit the mask.
 4 years ago
faluco 5e8a4c898d
Bring back the circular array object. (#1712) 4 years ago
Andre Puschmann 6a56476b2a rlc: increase RLC Tx SDU queue 
the Tx SDU has been set to 128 PDUs because this gives approx.
150kByte UL buffer state (max value for Rel 8 BSR).

Previously, however, we've always reported too much pending UL
data because we weren't subtracting the transmitted data from
the reported data.

with this newer BSR reporting, however, even with full buffers we would
never report full buffers because the queues size is too short.

This seems to cause issues for iperf TCP sessions not resulting
in full DL rate, see isse #1703. It seems that the TCP bandwitdh
probing works better with larger buffers (in our case this can
only be achieved with more PDUs in the pool).

This should fix #1703
 4 years ago
Andre Puschmann 569d8ee860 rlc: remove unused macro 
this seems to be a legacy copy of the RLC_TX_QUEUE_LEN macro
in rlc_interfaces_types.h
 4 years ago
Andre Puschmann e80aa0a553 add circular array class to simplify access to truly circular arrays 4 years ago
yagoda b5a8d82058 -adding more prach tests to make test, removing some variables from stack 
-PRACH time offset to TA unit conversion
 4 years ago
yagoda 59082770d3 moving some arrays to the heap, fixing formatting, setting dft norm 4 years ago
yagoda f6ea431555 -adopting new PRACH equalization approach for successive cancellation 
-adding frequency domain time offset detection
-adding to testing of PRACH
 4 years ago
yagoda ec7873e7cc refactoring PRACH, adding phase correction to successive cancellation 4 years ago
yagoda 4d8888aae6 - adding simple successive cancellation to PRACH detection 
- adding testing for same and for offset detection
 4 years ago
Pedro Alvarez 08a0d6bc0a Fix compilation warning with unecessary comparison. 4 years ago
Ismael Gomez f49fbd6d02
Fix the order of HO/reest measurement actions (#1696) 4 years ago
Andre Puschmann d48bc8837e pdu: refactor MAC PDU class 
this patch refactors the MAC PDU class, the main changes are:

* add to_string() method to pretty print PDU and subheaders
  This allows to have a single log entry per MAC PDU with all its
  contents.
  It removes the C-style fprint() method

* Simplity payload vs. w_payload_ce
  Before we've used payload when reading the PDU and w_payload_ce
  as a buffer when writing. In all getters we needed to differentiate
  between both. Now payload points to w_payload_ce initially and is
  only updated when parsing a new PDU.

* add various helpers, e.g. to get subheader index, update a BSR, ..

* fix PDU test to use new to_string() method
 4 years ago
Ismael Gomez 54eed11e1d Refactor decision for extended CSI/SRS 4 years ago
Ismael Gomez c9daf1f61a Make const args 4 years ago
Ismael Gomez e2154d2213 Renamed constants to SRSLTE and use SRSLTE_CFI macros 4 years ago
Ismael Gomez 51521ad8e4 Improved PDCCH blind search and fixed a few issues with ambiguous DCI size with Release 10 4 years ago
faluco 12e82a947f
LTO compiler and linker fixes (#1676) 
* Guard the LTO feature in a CMAKE option and document possible issues of using it.
 4 years ago
Xavier Arteaga af8898943f SRSENB: implement console cell_gain command 
SRSENB: fix 5GNR compilation

SRSENB: fix override methods
 4 years ago
Francisco Paisana 92221eb780 update of rrc_interface_mac to remove signal from mac to rrc that RA failed in case of handover failure 4 years ago
Andre Puschmann 49a7a90698 mac: simplify BSR packing logic 
simplify logic to check whether a BSR fits and, if so, which type.
before the check has been done in two places.

we now also accomodate for the CE subheader size.
 4 years ago
Xavier Arteaga 3aec23f7d8 SRSENB: calculate TA from PUCCH messages 4 years ago
Xavier Arteaga df2c949417 Radio: add individual Rx gain and integrate in srsue 
Fix compilation

Fix compilation

Add missing variable. Wasn't compiling

Radio: revert some changes
 4 years ago
Ismael Gomez a4835dd2c8
More accurate MCS reduction when PUSCH carries UCI (#1630) 4 years ago
Xavier Arteaga 7bad21c30a Radio: added locks to protect sample rate change concurrent access 4 years ago
Xavier Arteaga 029f36b449 srsLTE: added efficient integer resampler and srsue/srsenb integration 4 years ago
Francisco Paisana 834c0b3929 integrated new observer pattern into phy controller fsm 4 years ago
Francisco Paisana 48dd436d86 integrated observer pattern into rrc phy ctrl fsm 4 years ago
Francisco Paisana b2313e3631 observer pattern classes. Allows auto and explicit dispatch, and specifying which trigger method to use of an observer. 4 years ago
Xavier Arteaga 0e96ef3df0 Channel emulator takes SNR as input parameter 4 years ago
Andre Puschmann 5e40bfe72c mac_pdu: unpack and print BSR index as well as BSR value in bytes 
before the BSR was extracted but the actual index (between 0 and 63)
was not stored but directly converted into bytes.

for log parsing and debugging it is easier to follow the index
value. this patch therefore adds both values to the log message
and extends the API accordingly.
 4 years ago
Andre Puschmann 55336665b9 rlc: remove timers and sdu queue length from RLC TM ctor 
timers aren't used in RLC TM, also the default queue length is
fine to be used at all times.
 4 years ago
Francisco Paisana bb5dd92dca implemented s1 handover cancellation procedure to force the target enb to release the ue ctxt 4 years ago
Francisco Paisana 8c9e596f89 refactored s1ap handover request interface. cleaned up rrc tenb s1 handover code 4 years ago
Francisco Paisana 7cd4f45d62 fsm refactor. 
- avoid triggering directly a subfsm
- improved metafunctions
- other cleanups
 4 years ago
Francisco Paisana 5d1343fe75 implemented S1 bearer status transfer 4 years ago
Francisco Paisana db8af399f8 extended rrc tenb s1 handover test. implemented layer reconfig during s1 handover 4 years ago
Francisco Paisana 7605c7df23 added s1ap handover notification, fixed s1ap asn1 bug, and fixed bad fields for admitted erabs in ho req ack 4 years ago
Francisco Paisana 841b884796 remove extern C flags from common_helper.h 4 years ago